Rudniki [rudˈniki] is a village in the administrative district of Gmina Baćkowice, within Opatów County, Świętokrzyskie Voivodeship, in south-central Poland. It lies approximately 7 kilometres (4 mi) south-east of Baćkowice, 9 km (6 mi) south-west of Opatów, and 51 km (32 mi) east of the regional capital Kielce.